Canadian health officials announced Wednesday that Canada intends on vaccinating most of its adult population before administering a booster dose of the coronavirus vaccine. Currently, the second ...

TORONTO (AP) - Canada on Monday suspended the use of the Oxford-AstraZeneca coronavirus vaccine for people under age 55 following concerns it might be linked to rare blood clots. The National Advisory ...

" [A]ll 1-dose vaccination scenarios, even the most pessimistic, were projected to be a substantially more efficient use of vaccine doses than 2-dose vaccination; these scenarios were also all ...